86462720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 213884160

約数和(自身を除く): 127421440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2179, 2480, 3968, 4358, 4960, 7936, 8716, 9920, 10895, 17432, 19840, 21790, 34864, 39680, 43580, 67549, 69728, 87160, 135098, 139456, 174320, 270196, 278912, 337745, 348640, 540392, 557824, 675490, 697280, 1080784, 1350980, 1394560, 2161568, 2701960, 2789120, 4323136, 5403920, 8646272, 10807840, 17292544, 21615680, 43231360, 86462720]

約数ペア:

[(1, 86462720), (2, 43231360), (4, 21615680), (5, 17292544), (8, 10807840), (10, 8646272), (16, 5403920), (20, 4323136), (31, 2789120), (32, 2701960), (40, 2161568), (62, 1394560), (64, 1350980), (80, 1080784), (124, 697280), (128, 675490), (155, 557824), (160, 540392), (248, 348640), (256, 337745), (310, 278912), (320, 270196), (496, 174320), (620, 139456), (640, 135098), (992, 87160), (1240, 69728), (1280, 67549), (1984, 43580), (2179, 39680), (2480, 34864), (3968, 21790), (4358, 19840), (4960, 17432), (7936, 10895), (8716, 9920)]